v0.2.1 release

v0.2.0:

        * added key'd hash ability (using sha3-256/384 instead sha1/sha256) based on facebook key'd hmac salt/hash using
          SetKey() on the profile before any operation.
        * fixed the build.
        * added some tests for key'd hashes.
        * minor code rearrangement.
        * can be used concurrently lock-free.
        * bugfixes and code cleaning.
        * initial key'd hash tests & compatibility tests.

prepare to tag v0.1.3

module update

version 0.1.1 release

bumped a bit argon2id default, default seems to run is roughly ~190ms…

… with 64M

need to observer a bit for concurrent logins, but as long as you're not in MaskedParams,
you will still be able to Compare without issue the format does not change.